Juice-extracting machine.



J. W. HYATT.

JUICE EXTRACTING MACHINE.

APPLICATION FILED FEB. 1'1. i916.

latented June 4, 1918.

2 SHEETS-SHEET 1.

I. W. HYATT.

JUICE EXTRACTING MACHINE.

APPLICATION FILED FEB. H. I916.

Patented June 4, 1918.

2 SHEETS-SHEET 2.

JOHN WESLEY I-IYATT, 0F ORANGEJVEW JERSEY.

J' UIGE-EXTRACTIN G MACHINE.

Specification of Letters ratent.

Application filed February 1 1, 1916. Serial No. 77,617.

To all whom it may concern:

Beit known thatI, citizen of the United'States, residing at 11 High street, Orange, countyof Essex, and State of New Jersey, have invented certain new anduseful Improvements in Juice EX- tractingMachines, fully described and epresented in the following specification and the accompanying drawings, forming a part of the same.

improving the operation of a pervious chain belt comprising a series ofseparate, similar, parallel, endless chains when used in combination with a pressing roll', to express the juice from sugar-cane or similar vegetable substances, and it also provides ofchains.

Heretofo're, the pervious elementhasbeen formed of a 'compositechain consisting of chain-links placed side-by side as well as end to end to form a single chain (if-suitable width; and the vegetablefiber has hereto fore shown a tendency to wedge between the adjacent sides of the links of the belt so as to spread its members apart and crowd them with great force against the cheeks of the supporting-frame. i

In the present invention, I prevent the accumulation of vegetable matter between the members of the belt, by forming the belt of separate chains Wholly independent of one another, with sufiicient interspaces forthef escape of the juice, so that clearing-blades or any other suitablemeans'may operatebey tween the several chains and remove fiber oi deposit that' penetrates the intersticesyand thus prevent any accumulation of sucli matter which would obstruct the escape of the juice, or crowd the jchains unduly apa'rt; To' d'rive the chain-belt more positively than heretofore, I form the chaii1- links eaclr with a tooth upon its inner side and formth sapporting roll ondrum with grooves to receivesuch teeth; sothatthe teeth operate to feed all the separate chains at the same speed. i

To pr vent the accumulation 'of fine fibers in the receptaclesor passages for the extracted juice, I dischargesuchjuice upon anendless apron madeo'fi pervious material JOHN W. HYATT, a'

s erence to the annexed drawing, The present inventlon relates to meansfor 7 special means'of separating any loose fibers from the juice which has passedthrough the belt] like wire-cloth, so as to form a strainer through which the juice falls freely; while 1t conducts the fibers to an exhaust-tube by which they are sucked from the apron and discharged into the feeding-space or hopper ofjthe machine, where such fibers mingle with the cane and are subjected again to pressure, which removes the juice therefrom.

The invention will be understood by ref in which Figure 1 is a side elevation of a juice-extracting machine of the class shown in my prior Patent No. 786,902 dated April 11, 1905; Fig. 2 is a plan of the delivery-end of the machine; Fig. 3 is an elevation of the feeding-end of the machine, with all of the appliances omitted except the rear end of the chain-belt and the clearing-blades; and

Fig. 4 is a section through the chain-belt and clearing-blades, taken on line 4i in Fig. 1. Flg. 5 shows an edge View of several links forming one of the separate chains;

and Fig. 6 is a diagram showing an alternative means of clearing the separate chains from any interposed fibers.

The machine is shown with a casin coml b cheeks A united at the prising two upright bottom to a bed B which forms a trough to receive the juice.

Between the cheeks are extended the upper or pressing roll D and the lower roll or belt drum H, the chains m passing between the rolls and turning over the drum H at the delivery-end of the machine, and being at the feeding-end of the machine carried around a return-pulley a, so that it moves beneath the feed-wheels c which propel the vegetable substance downward upon the chain, by which his carried between the rolls to express the juice. The rolls are rotated by suitable gearing.

The belt is made, as shown in Fig. 4, of

wholly separate chains with slight interspaces between them for the escape of the juice. Each chain may be made of any suitable form of link, Fig. 5 showing the form which has been used in practice. The plurality of chains forms a between the cheeks, and closes of the feeding-space.

Patented June 4t, 1918.-

belt which just fits the bottom Twomeans are shown for clearing the] inter-spaces oi the chains, one by means of clearing-blades andthe other by pushing the through the cheeks A adjacent to the returnpulley n, the blades being extended into the interspaces between the chains, so as to wholly clear such interspaces of all fibrous material or other deposit at each movement of the chains over the return-pulley.

The clearing-blades are shown clamped between spacing-blocks 0 which are traversed by bolts 0 enetrating the blades and blocks, and extenc ed through the cheeks, so as to support the clearing-blades rigidly in the path of the chains. The clearing-blades are shown applied to the spaces between the separate chains upon the return-side of the belt, because no pressure is exerted upon the chains on that side and they therefore move freely past the clearing-blades.

' between the several cha1ns Any deposit may also be cleared by forcing alternate chains of the belt in opposite directions for a space equal to their own width, as shown in Fig. 6, Where rolls a and n are shown as operating upon theseparate chains m and m so as to push alternate chains of the chain-belt in opposite directions, so that when they move back to their normal position side by side, any substance on the adjacent sides of the chains will necessarily be rubbed off.

It is immaterial whether rolls be used to push the chains out of their normal path or sloping guides occupying the same position as the rolls, as both would perform the same function. Such rolls or sloping guides are more durable in practice than the clearing-blades, and I have therefore made a special claim to means for pushing alternate chains out of their normal path.

By making the chain-belt of separate chains, and clearing the interspaces between them at each movement of the chain over the return-pulley, the spaces are kept clear from any obstruction which might obstruct the escape of the juice, or unduly spread certain of the chains apart and thus close the interspaces between others of the chains and prevent the passage of the juice therethrough.

Such spaces are therefore very superior to mere holes extended through blocks or links to permit the escape of fluid, as the interspaces between the separate chains are readily leaned, whereas the holes in such blocks or links are liable to remain obstructed from the difficulty of cleaning them out.

The separation of the extracted juice from the fibers which pass normally through the interspaces of the chains is effected by discharging the juice, as shown in Fig. 3, through a spout o extended from the trough nel upon the bottom of the pipe is fitted o er the top side of the apron t one end, and an air-jet z is lnserted in the pipe y to exhaust the same, thus forming an ejector which sucks the fibers from the delivery-end of the apron and discharges them into the feedingspace between the cheeks. i

It is immaterial into What partof the feeding-space such fibers are delivered to recover the juice which they contain.

The apron is preferably made of wirecloth or other pervious material to strain the juice rapidly from thefiber which may be carried with it, and any means for thus straining the juice from the fiber may be employed, provided it delivers the fiber to an exhausted pipe by which it may be conveyed into the feeding-space of themachine.

The meshes of the wire-cloth also serve,

as is obvious from Fig. 1, where the panw is shown in section, to permit the entrance of air beneath the moving cloth to lift the fibers therefrom when the apron passes beneath the exhausted pipe y. Such movement dicated by arrows u in Fig. 1.

It is necessary to apply a scraper h, as shown in Fig. 1 to the surface of the chain near the point where it passes beneath the pressing-roll D, to clean the pressed cane or bagasse from the surface of the chain; and heretofore such scraper has been held stationary by attachment to the cheeks A of the casing.

To vary the pressure upon the chain and the material which it carries under the rollD, it is necessary to adjust the drum Hby means of bearings H and screws H fitted to a housing in the cheeks A, and the adjustment of the drum has heretofore deranged the-relation of the stationary scraper to the chain. To avoid such derangement, I make the scraper h adjustable with the bearings H by securing its ends to lugs h" upon the respective bearings.

The scraper is secured to the lugs by bolts k which pass through slots 0 in the scraper,

and it can thus be adjusted for wear when and longitudinal grooves in the beltdrum,

sustained upon a pan a? into of the air through the cloth is inr so that all of the chains may be driven at the same speed and thus carry the cane or other material uniformly to the pressing roll so as to distribute the pressure uniformly upon such roll.

In the elevation of the machine in Fig. 1, the chain-belt is necessarily shown in dotted lines, and the teeth are not therefore indicated on the chain links, but a separate view is shown in Fig. 7 where the grooved drum is lettered H the chain-links m, the teeth upon the chain are marked 8 and the grooves in the drum are marked 6.

The drum is shown cylindrical and the inner sides of the chain-links concaved to fit it correspondingly, but links with one edge straight may be used, and the drum made of polygonal shape, the support of the chains under pressure would be the same with either construction.

Having thus set forth the nature of the invention what is claimed herein is:

l. A juice extracting machine having sidecheeks to form a hopper, and a pressing roll rotated in the space between the cheeks, a belt-carrying drum opposed to the pressing roll, a belt carried over the said drum to propel the material beneath the pressing roll and filling the space between the cheeks, such belt being formed of a series of separate parallel endless chains with interspaces between the opposed sides of the chains, and means operating upon the opposed sides of the chains to clear any deposit from the interspaces and thus maintain a constant outlet for the escape of the juice.

2. A juice-extracting machine having a pressing-roll, a belt-carrying drum opposed to the same, a belt formed of a series of separate chains carried over the drum, feedingdevices mounted over the belt, a return-puL ley sustaining the belt under such feedingdevices, and a series of clearing-blades sus tained adjacent to the return-pulley upon the return-side of the belt and penetrating the interspaces between the separate chains to clear the same, substantially as set'forth.

3. A juice-extracting machine having a pressing-roll, a belt-carrying drum opposed to the same, a belt formed of a series of Copies of this separate chains carried over the drum, and a series of flat clearing-blades sustained in the path of the belt and penetrating the intel-spaces between the separate chains, with spacing-blocks between the blades, and bolts holding the blocks and the blades rigidly in their working position.

4. A juice extracting machine having side-cheeks to form, a hopper and a troughshaped bed to receive the juice, a pressing roll rotated in the space between the cheeks, a belt-carrying drum opposed to the pressing roll, and an endless permeable chainbelt driven by the said drum, an endless pervious strainer-apron below the level of the said bed, a spout delivering the juice and fiber from the trough of the bed to the said apron, a pan receiving the juice from the apron and delivering it where required, and an exhausted pipe having a funnel applied to the top of the strainer-apron, and a connection from the exhausted pipe to the hopper of the machine, whereby air pressure below the apron. lifts up the material strained from the juice by the apron and delivers it into the hopper.

5. A juice-extracting machine having a pressing-belt formed of a series of similar, parallel, endless chains with juice discharging interspaces between the adjacent sides of the chains, adjacent sides of the chains to clear any de posit from the interspaces, and thus maintain a constant outlet for the escape of the juice.

6. A juice extracting machine having sidecheeks to form a hopper, a pressing roll rotated in the space between the cheeks, a belt carrying drum opposed to the pressing roll and longitudinally grooved at regular intervals, a chain-belt filling the space between the side-cheeks and formed of a series of separate interspaced chains with the edges of the chains adjacent, and each separate chain having its links provided with teeth adapted to engage the grooves in the said drum, whereby the separate chains at the same speed.

11 testimony whereof I have hereunto set my hand. JOHN WESLEY HYATT.

patent may be obtained for five cents each, by addressing the Commissioner of Patents,

Washington, D. G.

and means operating upon the.

drum propels all of the 

